League to Save Lake Tahoe

The annual Oscar de la Renta fashion show features designs from his Resort 2013 Collection in support of the league's conservation programs. 11 a.m. August 4. Private home, Incline Village. For ticket information, call (415) 438-5323.

The Back to Tradition dinner and live auction features an on-field cocktail reception and viewing of the Menlo Charity Horse Show's Ryman Memorial Speed Jumper Class in support of this organization. 5 p.m. August 10. Menlo Circus Club, 190 Park Lane, Atherton. Tickets: $225. (650) 857-0422.

SF Opera Guild

The Marin Chapter hosts a Champagne Gala featuring a performance by the Adler Fellows in support of the guild's music education programs for Marin County students. 2 p.m. August 12. San Domenico Music Conservatory, 1500 Butterfield Road, San Anselmo. Tickets: $50. (415) 924-9352.

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INVITE OF THE WEEK

Glide Foundation A Love Supreme: The Legacy Gala features the Glide Ensemble and DJ KingMost at this cocktail buffet which honors the community work of 49er Vernon Davis and filmmaker Jennifer Siebel Newsom in support of Glide's food, housing and health programs for individuals in need. 7 p.m. Saturday. Regency Ballroom, 1300 Van Ness Ave., S.F. Tickets: $65; $150 (includes a VIP reception). (415) 674-6001